9d510e61fc
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/** @file
|
|
EFI SMM Communication PPI definition.
|
|
|
|
This Ppi provides a means of communicating between PEIM and SMI
|
|
handlers inside of SMM.
|
|
This Ppi is produced and consumed only in S3 resume boot path.
|
|
It is NOT available in normal boot path.
|
|
|
|
Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
|
|
#ifndef _SMM_COMMUNICATION_PPI_H_
|
|
#define _SMM_COMMUNICATION_PPI_H_
|
|
|
|
#define EFI_PEI_SMM_COMMUNICATION_PPI_GUID \
|
|
{ \
|
|
0xae933e1c, 0xcc47, 0x4e38, { 0x8f, 0xe, 0xe2, 0xf6, 0x1d, 0x26, 0x5, 0xdf } \
|
|
}
|
|
|
|
typedef struct _EFI_PEI_SMM_COMMUNICATION_PPI EFI_PEI_SMM_COMMUNICATION_PPI;
|
|
|
|
/**
|
|
Communicates with a registered handler.
|
|
|
|
This function provides a service to send and receive messages from a registered UEFI service.
|
|
|
|
@param[in] This The EFI_PEI_SMM_COMMUNICATION_PPI instance.
|
|
@param[in] CommBuffer A pointer to the buffer to convey into SMRAM.
|
|
@param[in] CommSize The size of the data buffer being passed in.On exit, the size of data
|
|
being returned. Zero if the handler does not wish to reply with any data.
|
|
|
|
@retval EFI_SUCCESS The message was successfully posted.
|
|
@retval EFI_INVALID_PARAMETER The CommBuffer was NULL.
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_PEI_SMM_COMMUNICATE)(
|
|
IN CONST EFI_PEI_SMM_COMMUNICATION_PPI *This,
|
|
IN OUT VOID *CommBuffer,
|
|
IN OUT UINTN *CommSize
|
|
);
|
|
|
|
///
|
|
/// EFI SMM Communication Protocol provides runtime services for communicating
|
|
/// between DXE drivers and a registered SMI handler.
|
|
///
|
|
struct _EFI_PEI_SMM_COMMUNICATION_PPI {
|
|
EFI_PEI_SMM_COMMUNICATE Communicate;
|
|
};
|
|
|
|
extern EFI_GUID gEfiPeiSmmCommunicationPpiGuid;
|
|
|
|
#endif
|